Now babies can learn all about the things that go in a book that's indestructible. With call-out identifications on each spread, Things That Go! is a vibrant introduction to those irresistible vehicles that fly, drive, sail, dig, lift, dump, and more. <BR /><BR /> With almost two million copies in print, Indestructibles are the books built for the way babies read. They are 100 percent baby-proof, chew-proof, rip-proof, and drool-proof. Printed on a unique nontoxic, paperlike material that holds up to anything babies can throw at it&mdash;gumming, spilling, dragging across the floor&mdash;Indestructibles are the little books that could. They&rsquo;re indestructible. And if they get dirty, just throw them in the wash.<BR /><BR />